en.Wedoany.com Reported, In China, the diagnosis of thyroid diseases such as hyperthyroidism, hypothyroidism, and thyroid nodules often relies on blood tests and ultrasound, but nuclear medicine examinations like thyroid function imaging and thyroid iodine uptake tests can provide a more comprehensive assessment. These methods use trace amounts of tracers and radioactive iodine to reveal the functional distribution and working efficiency of the thyroid, providing crucial data for precise diagnosis and treatment.

Thyroid function imaging uses tracers such as technetium-99m to generate tomographic images showing the thyroid's location, morphology, and functional activity, helping to differentiate between hyperfunctioning "hot" nodules and hypofunctioning "cold" nodules. The thyroid iodine uptake test quantifies the efficiency of thyroid hormone synthesis by measuring the uptake rate of iodine-131, providing a basis for identifying the cause of hyperthyroidism and guiding iodine-131 therapy.

These examinations support precision medicine, helping doctors clarify the etiology, such as Graves' disease or thyroiditis, guide treatment choices including medication, surgery, or iodine-131 therapy, and assess post-treatment recovery. The radioactive tracer doses are low and safe, and the examination process is non-invasive, but dietary and medication adjustments may be required as per medical advice. Discussing these tests with an endocrinologist can optimize the treatment plan.

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